Air cushion shoe device

ABSTRACT

An air cushion shoe device installed in a shoe comprises an air cushion assembly which includes a rear pressing portion, a conduit, and a plurality of gasbags. One end of the conduit is fluidly communicated with the rear pressing portion and the other end thereof has a plurality of branches whose quantity is corresponding to the one of the gasbags. Each branch is fluidly communicated with the corresponding gasbag. A check valve is arranged between the conduit and the branches. An air hole of the conduit is located between the rear pressing portion and the check valve. When the rear pressing portion is pressed downwardly, the air received in the rear pressing portion is extruded through the conduit, the check valve, and each gasbag to each branch so that each gasbag is filled with the air to reduce the impact generated between a foot and a ground.

BACKGROUND OF THE INVENTION 1. Field of the Invention

The present invention relates to an air cushion, and especially relates to an air cushion shoe device. When an user is operated by feet, such as walking and jumping, the air cushion assembly may be stepped to press for cushioning so that the pressure of the feet of the user may be reduced to make the feet comfortable.

2. Description of Related Art

The history of human is started from standing with two feet. The difference between the human and the animal is that the human is touched the ground by ankles and the animal is supported by metacarpal joints. Therefore, the feet is one of the most complicated and important structures of human body. The foot contains 26 bones, 33 joints, 57 Diarthrosis/Amphiarthrosis, 108 ligaments, and 32 muscles. It may be formed 3 longitudinal/transverse arches and 1 pseudo small transverse arch for complicated combination so as to increase the stability and mobility. And the human may stand stably and walk smoothly. The feet may support the weight of the whole human body. And the feet may have the functions of supporting, expanding and contracting, twisting, jumping, cushioning, and rubbing. In order to stand and walk, each skeletal muscle of the human body may be developed very well. The muscle tissues with different functions may be controlled by nerves, vertebration, and brain and cooperated with each other.

When the feet are injured, it is just like that the foundation of the human body is crooked and the knees and pelvis are also crooked so that the skeleton structure and the organs of human body are influenced. Therefore, the health of the feet must be kept and maintained because the human must walk for whole life. The muscles of the feet may be exercised smoothly and well by brain, vertebration, and nerve system. Standing, sitting, running, and jumping what we can do are attributed to the blood capillary which gives the power to the feet. The feet is said to be a second heart. The feet may be used for a pump. When the muscles of the feet is exercised, it may help the peripheral blood to flow back to the heart so as to improve and enhance the cardio-pulmonary function, just like the reflex area of the foot.

The foot may include a front foot portion, a middle foot portion, and a rear foot portion. When the human is walking, the heel (the rear foot portion) is supported the pressure generated from the ground firstly and then moved from an outside part of the middle foot portion toward an inside part of the middle foot portion. Finally, a fifth bone of the middle foot portion is moved toward a first bone of the middle foot portion to step forward. Therefore, the shoes must cooperate with the structure of the feet. That is, a front portion of the shoe corresponding to the front foot portion must be soft so as to hold the ground, a middle portion of the shoe corresponding to the middle foot portion must flexible and elastic, and a rear portion of the shoe corresponding to the rear foot portion must be stable and controllable.

When the human stand with feet, the first metatarsus, the fifth metatarsus, and the heel are formed three-point support and the arch may be used for supporting the human body. The arch has the effects of buffering and cushioning to absorb the impacts and distribute the weight so as to help standing, walking, and running. In addition, when the human is walking, the heel is contacted with the ground first and then the center of the body weight is shifted to the little toe along the arch. Next, the center of the body weight is moved from the little toe to the big toe. Finally, the big toe is smoothly stepped forward. However, the feet are pressed and impacted while standing, walking, and running for a long time so as to result in fatigue and pain and further fascitis and pains of knees and shoulder. Therefore, many shoes with various functions in the market are developed for providing humans to wear. The shoes with air cushion are providing comfort and stability. The air cushion is a gasbag which is filled air/gas and installed in a shoe sole. The gasbag is just like a balloon filled with air/gas. It may absorb the shocks and hard to be broken and squashed. It may also provide for cushioning and supporting. In order to cooperate with the actions of various exercises and reduce the shock resulting from the imact between the ankle and the ground while walking every day. The size and arranged position of the gasbag are different. Generally, the heel and the front foot portion are forced more so that the air cushion may support the forced position to cushion and reduce the impact between the heel/front foot portion and the ground while walking or exercising.

In view of the foregoing circumstances, the inventor has invested a lot of time to study the relevant knowledge, compare the pros and cons, research and develop related products. After quite many experiments and tests, the “air cushion shoe device” of this invention is eventually launched to improve the foregoing shortcomings, to meet the public use.

SUMMARY OF THE INVENTION

A main object of this invention is providing an air cushion shoe device. When an user is operated by feet, such as walking and jumping, the air cushion assembly may be stepped to press for cushioning so that the pressure of the feet of the user may be reduced to make the feet comfortable.

In order to achieve above mentioned object, an air cushion shoe device, installed in a shoe, comprising an air cushion assembly, wherein: the air cushion assembly includes a rear pressing portion, a conduit, and a plurality of gasbags, one end of the conduit is fluidly communicated with the rear pressing portion and the other end thereof has a plurality of branches whose quantity is corresponding to the one of the gasbags, each of the branches is fluidly communicated with the corresponding gasbag, a check valve is arranged between the conduit and the branches so that the air which is flowed toward the gasbags is not flowed back, an air hole is formed at the conduit and located between the rear pressing portion and the check valve for providing an outside air to enter into the conduit through the air hole and then flow toward the rear pressing portion to fill the rear pressing portion, when the rear pressing portion is forced to press downwardly, the air received in the rear pressing portion is extruded through one end of the conduit adjacent to the rear pressing portion and the check valve to the other end of the conduit opposite to the end thereof adjacent to the rear pressing portion and then flowed to each gasbag through each branch so that each gasbag is filled with the air to reduce the impact generated between a foot and a ground.

Preferably, the rear pressing portion has an air chamber, and the air chamber is received a torsion spring, two ends of the torsion spring are respectively abutted against a top side and a bottom side of the air chamber.

The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of an air cushion shoe device of the present invention;

FIG. 2 is a view of the air cushion shoe device of the present invention arranged at a shoe sole;

FIG. 3 is a view of the air cushion shoe device of the present invention arranged in a shoe;

FIG. 4 is a cross-sectional view of FIG. 2 along with line IV-IV;

FIG. 5 is a cross-sectional view of FIG. 2 along with line V-V;

FIG. 6 is a cross-sectional view of the air cushion shoe device of the present invention while the air in the rear pressing portion is extruded to flow through the conduit to the gasbags; and

FIG. 7 is an operational view of the air cushion shoe device of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

To describe clearly that the present invention achieves the foregoing object and function, the technical features and desired function are described with reference to a preferred embodiment and accompanying drawings.

Please reference to FIGS. 1 to 7, an air cushion shoe device of the present invention is installed in a shoe 100 and may comprise an air cushion assembly 10. The air cushion assembly 10 includes a rear pressing portion 1, a conduit 2, and a plurality of gasbags 3. One end of the conduit 2 is fluidly communicated with the rear pressing portion 1 and the other end thereof has a plurality of branches 21 whose quantity is corresponding to the one of the gasbags 3. Each of the branches 21 is fluidly communicated with the corresponding gasbag 3. A check valve 4 is arranged between the conduit 2 and the branches 21 so that the air which is flowed toward the gasbags 3 is not flowed back. An air hole 22 is formed at the conduit 2 and located between the rear pressing portion 1 and the check valve 4 for providing an outside air to enter into the conduit 2 through the air hole 22 and then flow toward the rear pressing portion 1 to fill the rear pressing portion 1. When the rear pressing portion 1 is forced to press downwardly, the air received in the rear pressing portion 1 is extruded through one end of the conduit 2 adjacent to the rear pressing portion 1 and the check valve 4 to the other end of the conduit 2 opposite to the end thereof adjacent to the rear pressing portion 1 and then flowed to each gasbag 3 through each branch 21 so that each gasbag 3 is filled with the air to reduce the impact generated between a foot and a ground.

The above mentioned embodiment is the main skill feature of this invention and corresponds to the claim 1 of this invention to understand the object and embodiments of this invention in detail. And the skill features of the depending claims are for describing the claim 1 in detail or adding more skill features, but not limited thereto. It should be known that the claim 1 is not necessary to include the skill features of the depending claims.

Please refer to FIGS. 1 and 3, the air cushion shoe device is installed in the shoe 100. When the foot of an user is worn in a foot receiving chamber of the shoe 100 and ready to walk or run and then the heel 200 of the user steps on the rear pressing portion 1 to press downwardly, the air is extruded through one end of the conduit 2 and the check valve 4 to the other end of the conduit 2 and then through each branch 21 to respective gasbags 3 so that each gasbag 3 is filled with the air fully to reduce the impact generated between the foot and the ground. Due to the arrangement of the air hole 22 of the conduit 2, the outside air may be flowed through the air hole 22 into the conduit 2 and then flowed to the rear pressing portion 1 so that the air received in the rear pressing portion 1 may be repeatedly filled and recycled. When the user is walking or exercising, the impact generated between the heel 200/the front foot portion 300 and the ground may be effectively reduced and cushioned to protect the safety of the foot (in FIGS. 5 to 7).

Please refer to FIGS. 1 and 5 to 7, the rear pressing portion 1 has an air chamber 11. The air chamber 11 is further received a torsion spring 5. Two ends of the torsion spring 5 are respectively abutted against a top side and a bottom side of the air chamber 11. The heel 200 presses downwardly so that the torsion spring 5 arranged in the rear pressing portion 1 is compressed to charge. After the downward press of the heel 200 is disappeared, the torsion spring 5 may be rebounded so that the air chamber 11 may be elastically reset for providing the heel 200 to step next.

The foregoing descriptions are merely the exemplified embodiments of the present invention, where the scope of the claim of the present invention is not intended to be limited by the embodiments. Any equivalent embodiments or modifications without departing from the spirit and scope of the present invention are therefore intended to be embraced.

The disclosed structure of the invention has not appeared in the prior art and features efficacy better than the prior structure which is construed to be a novel and creative invention, thereby filing the present application herein subject to the patent law. 

What is claimed is:
 1. An air cushion shoe device, installed in a shoe, comprising an air cushion assembly, wherein: the air cushion assembly includes a rear pressing portion, a conduit, and a plurality of gasbags, one end of the conduit is fluidly communicated with the rear pressing portion and the other end thereof has a plurality of branches whose quantity is corresponding to the one of the gasbags, each of the branches is fluidly communicated with the corresponding gasbag, a check valve is arranged between the conduit and the branches so that the air which is flowed toward the gasbags is not flowed back, an air hole is formed at the conduit and located between the rear pressing portion and the check valve for providing an outside air to enter into the conduit through the air hole and then flow toward the rear pressing portion to fill the rear pressing portion, when the rear pressing portion is forced to press downwardly, the air received in the rear pressing portion is extruded through one end of the conduit adjacent to the rear pressing portion and the check valve to the other end of the conduit opposite to the end thereof adjacent to the rear pressing portion and then flowed to each gasbag through each branch so that each gasbag is filled with the air to reduce the impact generated between a foot and a ground.
 2. The air cushion shoe device as claimed in claim 1, wherein the rear pressing portion has an air chamber, and the air chamber is received a torsion spring, two ends of the torsion spring are respectively abutted against a top side and a bottom side of the air chamber. 